123710
● Top view
● Bottom view
Outdoor Unit
1 Interface of compressor 
2
High pressure protection of 
system 
3
Low-temperature cooling 
temperature sensor
4
Overload protection of 
compressor
5 Interface of temperature sensor
6 Electronic expansion valve
7
Low pressure protection of 
system 
8 Interface of fan 
9 Interface of 4-way valve 
10 Interface of 2-way valve 
11 Electric heating belt of chassis 
12 lectric heating belt of chassis 
13
Communication  interface  for 
indoor unit and outdoor unit 
14 Live wire
15 Earthing wire 
16 Neutral wire
17 Rectier 
18 IGBT
19 IPM1